<template>
  <div class="login">
    <div class="login_box">
      <!--头像区域-->
      <div class="avatar_box">
        <img src="../../assets/images/logo.svg" alt="logo" title="登录" />
      </div>
      <!--登录表单区域-->
      <el-form
        ref="loginFormRef"
        :model="form"
        :rules="loginFormRules"
        label-width="80px"
        class="login_form"
      >
        <!--用户名-->
        <el-form-item label="用户名:" prop="username">
          <el-input
            v-model="form.username"
            type="text"
            prefix-icon="iconfont icon-yonghu"
          ></el-input>
        </el-form-item>
        <!--密码-->
        <el-form-item label="密码:" prop="password">
          <el-input
            v-model="form.password"
            type="password"
            prefix-icon="iconfont icon-tianchongxing-"
          ></el-input>
        </el-form-item>
        <!--按钮区域-->
        <el-form-item class="btns">
          <el-button type="primary" @click="login">登录</el-button>
          <el-button type="info" @click="resetLoginForm">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  name: 'index',
  data() {
    return {
      form: {
        username: 'admin',
        password: '123456',
      },
      //这是表单的验证规则
      loginFormRules: {
        //验证用户名是否合法
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          {
            min: 3,
            max: 10,
            message: '长度在 3 到 10 个字符',
            trigger: 'blur',
          },
        ],
        //验证密码是否合法
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          {
            min: 6,
            max: 18,
            message: '长度在 6 到 18 个字符',
            trigger: 'blur',
          },
        ],
      },
    }
  },
  methods: {
    //点击重置按钮
    resetLoginForm() {
      this.$refs.loginFormRef.resetFields()
    },
    login() {
      console.log('111')
      this.$refs.loginFormRef.validate(async (valid) => {
        //如果valid参数为true则验证通过
        if (!valid) return
        const { data: res } = await this.$http.post('login', this.form)
        console.log(res)
        if (res.meta.status !== 200) return this.$message.error('登录失败')
        this.$message.success('登录成功')
        const {
          data: { token },
        } = res
        window.sessionStorage.setItem('token', token)
        this.$router.push('/home')
      })
    },
  },
}
</script>

<style lang="scss" scoped>
.login {
  background-color: #2b4b6b;
  height: 100%;
  .login_box {
    width: 400px;
    height: 300px;
    background-color: #ffffff;
    border-radius: 5px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    .avatar_box {
      width: 150px;
      height: 150px;
      border: 1px solid #eee;
      border-radius: 50%;
      padding: 10px;
      box-shadow: 0 0 10px #ddd;
      position: absolute;
      left: 50%;
      transform: translate(-50%, -50%);
      background-color: #ffffff;
      img {
        width: 100%;
        height: 100%;
        border-radius: 50%;
        background-color: #eee;
      }
    }
    .login_form {
      position: absolute;
      bottom: 0;
      width: 100%;
      padding: 0 20px;
      box-sizing: border-box;
      .btns {
        display: flex;
        justify-content: flex-end;
      }
    }
  }
}
</style>